Files
libreoffice/unotools/source/config/confignode.cxx
Oliver Bolte 66a34a173d INTEGRATION: CWS pchfix02 (1.9.16); FILE MERGED
2006/09/01 17:56:21 kaib 1.9.16.1: #i68856# Added header markers and pch files
2006-09-17 00:23:34 +00:00

748 lines
31 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: confignode.cxx,v $
*
* $Revision: 1.10 $
*
* last change: $Author: obo $ $Date: 2006-09-17 01:23:34 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_unotools.hxx"
#include <unotools/confignode.hxx>
#ifndef UNOTOOLS_CONFIGPATHES_HXX_INCLUDED
#include <unotools/configpathes.hxx>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XHIERARCHICALNAME_HPP_
#include <com/sun/star/container/XHierarchicalName.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
#include <com/sun/star/beans/PropertyValue.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSINGLESERVICEFACTORY_HPP_
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
#include <com/sun/star/lang/XComponent.hpp>
#endif
#ifndef _COM_SUN_STAR_UTIL_XSTRINGESCAPE_HPP_
#include <com/sun/star/util/XStringEscape.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _COMPHELPER_EXTRACT_HXX_
#include <comphelper/extract.hxx>
#endif
#ifndef _RTL_STRING_HXX_
#include <rtl/string.hxx>
#endif
#if OSL_DEBUG_LEVEL > 0
#include <rtl/strbuf.hxx>
#endif
//........................................................................
namespace utl
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
//========================================================================
//= OConfigurationNode
//========================================================================
//------------------------------------------------------------------------
OConfigurationNode::OConfigurationNode(const Reference< XInterface >& _rxNode, const Reference< XMultiServiceFactory >& _rxProvider)
:m_xProvider(_rxProvider)
,m_bEscapeNames(sal_False)
{
OSL_ENSURE(_rxNode.is(), "OConfigurationNode::OConfigurationNode: invalid node interface!");
if (_rxNode.is())
{
// collect all interfaces necessary
m_xHierarchyAccess = Reference< XHierarchicalNameAccess >(_rxNode, UNO_QUERY);
m_xDirectAccess = Reference< XNameAccess >(_rxNode, UNO_QUERY);
// reset _all_ interfaces if _one_ of them is not supported
if (!m_xHierarchyAccess.is() || !m_xDirectAccess.is())
{
m_xHierarchyAccess = NULL;
m_xDirectAccess = NULL;
}
// now for the non-critical interfaces
m_xReplaceAccess = Reference< XNameReplace >(_rxNode, UNO_QUERY);
m_xContainerAccess = Reference< XNameContainer >(_rxNode, UNO_QUERY);
}
Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
if (xConfigNodeComp.is())
startComponentListening(xConfigNodeComp);
if (isValid())
setEscape(isSetNode());
}
//------------------------------------------------------------------------
OConfigurationNode::OConfigurationNode(const OConfigurationNode& _rSource)
:OEventListenerAdapter()
,m_xHierarchyAccess(_rSource.m_xHierarchyAccess)
,m_xDirectAccess(_rSource.m_xDirectAccess)
,m_xReplaceAccess(_rSource.m_xReplaceAccess)
,m_xContainerAccess(_rSource.m_xContainerAccess)
,m_xProvider(_rSource.m_xProvider)
,m_bEscapeNames(_rSource.m_bEscapeNames)
,m_sCompletePath(_rSource.m_sCompletePath)
{
Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
if (xConfigNodeComp.is())
startComponentListening(xConfigNodeComp);
}
//------------------------------------------------------------------------
const OConfigurationNode& OConfigurationNode::operator=(const OConfigurationNode& _rSource)
{
stopAllComponentListening();
m_xHierarchyAccess = _rSource.m_xHierarchyAccess;
m_xDirectAccess = _rSource.m_xDirectAccess;
m_xContainerAccess = _rSource.m_xContainerAccess;
m_xReplaceAccess = _rSource.m_xReplaceAccess;
m_xProvider = _rSource.m_xProvider;
m_bEscapeNames = _rSource.m_bEscapeNames;
m_sCompletePath = _rSource.m_sCompletePath;
Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
if (xConfigNodeComp.is())
startComponentListening(xConfigNodeComp);
return *this;
}
//------------------------------------------------------------------------
OConfigurationNode::~OConfigurationNode()
{
}
//------------------------------------------------------------------------
void OConfigurationNode::_disposing( const EventObject& _rSource )
{
Reference< XComponent > xDisposingSource(_rSource.Source, UNO_QUERY);
Reference< XComponent > xConfigNodeComp(m_xDirectAccess, UNO_QUERY);
if (xDisposingSource.get() == xConfigNodeComp.get())
clear();
}
//------------------------------------------------------------------------
::rtl::OUString OConfigurationNode::normalizeName(const ::rtl::OUString& _rName, NAMEORIGIN _eOrigin) const
{
::rtl::OUString sName(_rName);
if (getEscape())
{
Reference< XStringEscape > xEscaper(m_xDirectAccess, UNO_QUERY);
OSL_ENSURE(xEscaper.is(), "OConfigurationNode::normalizeName: missing an interface!");
if (xEscaper.is() && sName.getLength())
{
try
{
if (NO_CALLER == _eOrigin)
sName = xEscaper->escapeString(sName);
else
sName = xEscaper->unescapeString(sName);
}
catch(IllegalArgumentException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::normalizeName: illegal argument (caught an exception saying so)!");
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::normalizeName: caught an exception!");
}
}
}
return sName;
}
//------------------------------------------------------------------------
Sequence< ::rtl::OUString > OConfigurationNode::getNodeNames() const throw()
{
OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::getNodeNames: object is invalid!");
Sequence< ::rtl::OUString > aReturn;
if (m_xDirectAccess.is())
{
try
{
aReturn = m_xDirectAccess->getElementNames();
// normalize the names
::rtl::OUString* pNames = aReturn.getArray();
for (sal_Int32 i=0; i<aReturn.getLength(); ++i, ++pNames)
*pNames = normalizeName(*pNames, NO_CONFIGURATION);
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::getNodeNames: caught a generic exception!");
}
}
return aReturn;
}
//------------------------------------------------------------------------
sal_Bool OConfigurationNode::removeNode(const ::rtl::OUString& _rName) const throw()
{
OSL_ENSURE(m_xContainerAccess.is(), "OConfigurationNode::removeNode: object is invalid!");
if (m_xContainerAccess.is())
{
try
{
::rtl::OUString sName = normalizeName(_rName, NO_CALLER);
m_xContainerAccess->removeByName(sName);
return sal_True;
}
catch (NoSuchElementException&)
{
#if OSL_DEBUG_LEVEL > 0
rtl::OStringBuffer aBuf( 256 );
aBuf.append("OConfigurationNode::removeNode: there is no element named!");
aBuf.append( rtl::OUStringToOString( _rName, RTL_TEXTENCODING_ASCII_US ) );
aBuf.append( "!" );
OSL_ENSURE(sal_False, aBuf.getStr());
#endif
}
catch (WrappedTargetException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::removeNode: caught a WrappedTargetException!");
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::removeNode: caught a generic exception!");
}
}
return sal_False;
}
//------------------------------------------------------------------------
OConfigurationNode OConfigurationNode::insertNode(const ::rtl::OUString& _rName,const Reference< XInterface >& _xNode) const throw()
{
if(_xNode.is())
{
try
{
::rtl::OUString sName = normalizeName(_rName, NO_CALLER);
m_xContainerAccess->insertByName(sName, makeAny(_xNode));
// if we're here, all was ok ...
return OConfigurationNode(_xNode, m_xProvider);
}
catch (IllegalArgumentException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::createNode: caught an IllegalArgumentException!");
}
catch (ElementExistException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::createNode: caught an ElementExistException!");
}
catch (WrappedTargetException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::createNode: caught a WrappedTargetException!");
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::createNode: caught a generic exception!");
}
// dispose the child if it has already been created, but could not be inserted
Reference< XComponent > xChildComp(_xNode, UNO_QUERY);
if (xChildComp.is())
try { xChildComp->dispose(); } catch(Exception&) { }
}
return OConfigurationNode();
}
//------------------------------------------------------------------------
OConfigurationNode OConfigurationNode::createNode(const ::rtl::OUString& _rName) const throw()
{
Reference< XSingleServiceFactory > xChildFactory(m_xContainerAccess, UNO_QUERY);
OSL_ENSURE(xChildFactory.is(), "OConfigurationNode::createNode: object is invalid or read-only!");
if (xChildFactory.is()) // implies m_xContainerAccess.is()
{
Reference< XInterface > xNewChild;
try
{
xNewChild = xChildFactory->createInstance();
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::createNode: caught a generic exception!");
}
return insertNode(_rName,xNewChild);
}
return OConfigurationNode();
}
//------------------------------------------------------------------------
OConfigurationNode OConfigurationNode::appendNode(const ::rtl::OUString& _rName,const OConfigurationNode& _aNewNode) const throw()
{
return insertNode(_rName,_aNewNode.m_xDirectAccess);
}
//------------------------------------------------------------------------
OConfigurationNode OConfigurationNode::openNode(const ::rtl::OUString& _rPath) const throw()
{
OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::openNode: object is invalid!");
OSL_ENSURE(m_xHierarchyAccess.is(), "OConfigurationNode::openNode: object is invalid!");
try
{
::rtl::OUString sNormalized = normalizeName(_rPath, NO_CALLER);
Reference< XInterface > xNode;
if (m_xDirectAccess.is() && m_xDirectAccess->hasByName(sNormalized))
{
if (!::cppu::extractInterface(xNode, m_xDirectAccess->getByName(sNormalized)))
OSL_ENSURE(sal_False, "OConfigurationNode::openNode: could not open the node!");
}
else if (m_xHierarchyAccess.is())
{
if (!::cppu::extractInterface(xNode, m_xHierarchyAccess->getByHierarchicalName(_rPath)))
OSL_ENSURE(sal_False, "OConfigurationNode::openNode: could not open the node!");
}
if (xNode.is())
return OConfigurationNode(xNode, m_xProvider);
}
catch(NoSuchElementException& e)
{
(void)e;
#if OSL_DEBUG_LEVEL > 0
rtl::OStringBuffer aBuf( 256 );
aBuf.append("OConfigurationNode::openNode: there is no element named ");
aBuf.append( rtl::OUStringToOString( _rPath, RTL_TEXTENCODING_ASCII_US ) );
aBuf.append("!");
OSL_ENSURE(sal_False, aBuf.getStr());
#endif
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::openNode: caught an exception while retrieving the node!");
}
return OConfigurationNode();
}
//------------------------------------------------------------------------
void OConfigurationNode::setEscape(sal_Bool _bEnable)
{
m_bEscapeNames = _bEnable && Reference< XStringEscape >::query(m_xDirectAccess).is();
OSL_ENSURE(m_bEscapeNames || !_bEnable,
"OConfigurationNode::setEscape: escaping not enabled - missing the appropriate interface on the node!");
}
//------------------------------------------------------------------------
sal_Bool OConfigurationNode::isSetNode() const
{
sal_Bool bIsSet = sal_False;
Reference< XServiceInfo > xSI(m_xHierarchyAccess, UNO_QUERY);
if (xSI.is())
{
try { bIsSet = xSI->supportsService(::rtl::OUString::createFromAscii("com.sun.star.configuration.SetAccess")); }
catch(Exception&) { }
}
return bIsSet;
}
//---------------------------------------------------------------------
//--- 20.08.01 19:03:20 -----------------------------------------------
sal_Bool OConfigurationNode::hasByHierarchicalName( const ::rtl::OUString& _rName ) const throw()
{
OSL_ENSURE( m_xHierarchyAccess.is(), "OConfigurationNode::hasByHierarchicalName: no hierarchy access!" );
try
{
if ( m_xHierarchyAccess.is() )
{
::rtl::OUString sName = normalizeName( _rName, NO_CALLER );
return m_xHierarchyAccess->hasByHierarchicalName( sName );
}
}
catch(Exception&)
{
}
return sal_False;
}
//------------------------------------------------------------------------
sal_Bool OConfigurationNode::hasByName(const ::rtl::OUString& _rName) const throw()
{
OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
try
{
::rtl::OUString sName = normalizeName(_rName, NO_CALLER);
if (m_xDirectAccess.is())
return m_xDirectAccess->hasByName(sName);
}
catch(Exception&)
{
}
return sal_False;
}
//------------------------------------------------------------------------
sal_Bool OConfigurationNode::setNodeValue(const ::rtl::OUString& _rPath, const Any& _rValue) const throw()
{
sal_Bool bResult = false;
OSL_ENSURE(m_xReplaceAccess.is(), "OConfigurationNode::setNodeValue: object is invalid!");
if (m_xReplaceAccess.is())
{
try
{
// check if _rPath is a level-1 path
::rtl::OUString sNormalizedName = normalizeName(_rPath, NO_CALLER);
if (m_xReplaceAccess->hasByName(sNormalizedName))
{
m_xReplaceAccess->replaceByName(sNormalizedName, _rValue);
bResult = true;
}
// check if the name refers to a indirect descendant
else if (m_xHierarchyAccess.is() && m_xHierarchyAccess->hasByHierarchicalName(_rPath))
{
OSL_ASSERT(_rPath.getLength());
::rtl::OUString sParentPath, sLocalName;
if ( splitLastFromConfigurationPath(_rPath, sParentPath, sLocalName) )
{
OConfigurationNode aParentAccess = openNode(sParentPath);
if (aParentAccess.isValid())
bResult = aParentAccess.setNodeValue(sLocalName, _rValue);
}
else
{
m_xReplaceAccess->replaceByName(sLocalName, _rValue);
bResult = true;
}
}
}
catch(IllegalArgumentException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::setNodeValue: could not replace the value: caught an IllegalArgumentException!");
}
catch(NoSuchElementException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::setNodeValue: could not replace the value: caught a NoSuchElementException!");
}
catch(WrappedTargetException&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::setNodeValue: could not replace the value: caught a WrappedTargetException!");
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::setNodeValue: could not replace the value: caught a generic Exception!");
}
}
return bResult;
}
//------------------------------------------------------------------------
Any OConfigurationNode::getNodeValue(const ::rtl::OUString& _rPath) const throw()
{
OSL_ENSURE(m_xDirectAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
OSL_ENSURE(m_xHierarchyAccess.is(), "OConfigurationNode::hasByName: object is invalid!");
Any aReturn;
try
{
::rtl::OUString sNormalizedPath = normalizeName(_rPath, NO_CALLER);
if (m_xDirectAccess.is() && m_xDirectAccess->hasByName(sNormalizedPath) )
{
aReturn = m_xDirectAccess->getByName(sNormalizedPath);
}
else if (m_xHierarchyAccess.is())
{
aReturn = m_xHierarchyAccess->getByHierarchicalName(_rPath);
}
}
catch(NoSuchElementException& e)
{
#if OSL_DEBUG_LEVEL > 0
rtl::OStringBuffer aBuf( 256 );
aBuf.append("OConfigurationNode::getNodeValue: caught a NoSuchElementException while trying to open ");
aBuf.append( rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US ) );
OSL_ENSURE(sal_False, aBuf.getStr());
#else
(void)e;
#endif
}
return aReturn;
}
//------------------------------------------------------------------------
OConfigurationTreeRoot OConfigurationNode::cloneAsRoot() const throw()
{
OSL_ENSURE(m_xHierarchyAccess.is(), "OConfigurationNode::cloneAsRoot: object is invalid!");
if (m_xHierarchyAccess.is())
{
// first get the complete path of the node we represent
::rtl::OUString sCompletePath;
Reference< XHierarchicalName > xNodeNameAccess(m_xHierarchyAccess, UNO_QUERY);
if (xNodeNameAccess.is())
{
try
{
sCompletePath = xNodeNameAccess->getHierarchicalName();
OSL_ENSURE(sCompletePath.getLength(), "OConfigurationNode::cloneAsRoot: invalid path retrieved!");
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationNode::cloneAsRoot: could not retrieve the node path!");
}
}
// then create a new tree root object with that path and our provider
OSL_ENSURE(m_xProvider.is(), "OConfigurationNode::cloneAsRoot: have an invalid provider!");
if (sCompletePath.getLength() && m_xProvider.is())
{
return OConfigurationTreeRoot::createWithProvider(m_xProvider, sCompletePath, -1, isReadonly() ? OConfigurationTreeRoot::CM_READONLY : OConfigurationTreeRoot::CM_PREFER_UPDATABLE);
}
}
return OConfigurationTreeRoot();
}
//------------------------------------------------------------------------
void OConfigurationNode::clear() throw()
{
m_xHierarchyAccess.clear();
m_xDirectAccess.clear();
m_xReplaceAccess.clear();
m_xContainerAccess.clear();
}
//========================================================================
//= OConfigurationTreeRoot
//========================================================================
//------------------------------------------------------------------------
OConfigurationTreeRoot::OConfigurationTreeRoot(const Reference< XChangesBatch >& _rxRootNode, const Reference< XMultiServiceFactory >& _rxProvider)
:OConfigurationNode(_rxRootNode.get(), _rxProvider)
,m_xCommitter(_rxRootNode)
{
}
//------------------------------------------------------------------------
OConfigurationTreeRoot::OConfigurationTreeRoot(const Reference< XInterface >& _rxRootNode, const Reference< XMultiServiceFactory >& _rxProvider)
:OConfigurationNode(_rxRootNode.get(), _rxProvider)
{
}
//------------------------------------------------------------------------
void OConfigurationTreeRoot::clear() throw()
{
OConfigurationNode::clear();
m_xCommitter.clear();
}
//------------------------------------------------------------------------
sal_Bool OConfigurationTreeRoot::commit() const throw()
{
OSL_ENSURE(isValid(), "OConfigurationTreeRoot::commit: object is invalid!");
if (!isValid())
return sal_False;
OSL_ENSURE(m_xCommitter.is(), "OConfigurationTreeRoot::commit: I'm a readonly node!");
if (!m_xCommitter.is())
return sal_False;
try
{
m_xCommitter->commitChanges();
return sal_True;
}
catch(WrappedTargetException&)
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::commit: caught a WrappedTargetException!");
}
catch(RuntimeException&)
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::commit: caught a RuntimeException!");
}
return sal_False;
}
namespace
{
static const ::rtl::OUString& lcl_getProviderServiceName( )
{
static ::rtl::OUString s_sProviderServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.configuration.ConfigurationProvider" ) );
return s_sProviderServiceName;
}
}
//------------------------------------------------------------------------
OConfigurationTreeRoot OConfigurationTreeRoot::createWithProvider(const Reference< XMultiServiceFactory >& _rxConfProvider, const ::rtl::OUString& _rPath, sal_Int32 _nDepth, CREATION_MODE _eMode, sal_Bool _bLazyWrite)
{
OSL_ENSURE(_rxConfProvider.is(), "OConfigurationTreeRoot::createWithProvider: invalid provider!");
#ifdef DBG_UTIL
if (_rxConfProvider.is())
{
try
{
Reference< XServiceInfo > xSI(_rxConfProvider, UNO_QUERY);
if (!xSI.is())
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithProvider: no XServiceInfo interface on the provider!");
}
else
{
OSL_ENSURE(xSI->supportsService( lcl_getProviderServiceName( ) ),
"OConfigurationTreeRoot::createWithProvider: sure this is a provider? Missing the ConfigurationProvider service!");
}
}
catch(const Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithProvider: unable to check the service conformance of the provider given!");
}
}
#endif
sal_Bool bTryAgain(sal_False);
do
{
if (_rxConfProvider.is())
{
try
{
Sequence< Any > aCreationArgs(3);
aCreationArgs[0] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("nodepath")), 0, makeAny(_rPath), PropertyState_DIRECT_VALUE));
aCreationArgs[1] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("depth")), 0, makeAny((sal_Int32)_nDepth), PropertyState_DIRECT_VALUE));
aCreationArgs[2] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("lazywrite")), 0, ::cppu::bool2any(_bLazyWrite), PropertyState_DIRECT_VALUE));
::rtl::OUString sAccessService = ::rtl::OUString::createFromAscii(CM_READONLY == _eMode
? "com.sun.star.configuration.ConfigurationAccess"
: "com.sun.star.configuration.ConfigurationUpdateAccess");
Reference< XInterface > xRoot = _rxConfProvider->createInstanceWithArguments(sAccessService, aCreationArgs);
if (!xRoot.is())
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithProvider: could not create the node access!");
}
else if (CM_READONLY == _eMode)
{
return OConfigurationTreeRoot(xRoot, _rxConfProvider);
}
else
{ // get the changes batch interface
Reference< XChangesBatch > xCommitter(xRoot, UNO_QUERY);
if (xCommitter.is())
return OConfigurationTreeRoot(xCommitter, _rxConfProvider);
else
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithProvider: invalid root object (missing interface XChangesBatch)!");
// dispose the object if it is already created, but unusable
Reference< XComponent > xComp(xRoot, UNO_QUERY);
if (xComp.is())
try { xComp->dispose(); } catch(Exception&) { }
}
}
catch(Exception& e)
{
#if OSL_DEBUG_LEVEL > 0
::rtl::OString sMessage( "OConfigurationTreeRoot::createWithProvider: caught an exception while creating the access object!\nmessage:\n" );
sMessage += ::rtl::OString( e.Message.getStr(), e.Message.getLength(), RTL_TEXTENCODING_ASCII_US );
OSL_ENSURE( sal_False, sMessage.getStr() );
#else
(void)e;
#endif
}
}
bTryAgain = CM_PREFER_UPDATABLE == _eMode;
if (bTryAgain)
_eMode = CM_READONLY;
}
while (bTryAgain);
return OConfigurationTreeRoot();
}
//------------------------------------------------------------------------
OConfigurationTreeRoot OConfigurationTreeRoot::createWithServiceFactory(const Reference< XMultiServiceFactory >& _rxORB, const ::rtl::OUString& _rPath, sal_Int32 _nDepth, CREATION_MODE _eMode, sal_Bool _bLazyWrite)
{
OSL_ENSURE(_rxORB.is(), "OConfigurationTreeRoot::createWithServiceFactory: invalid service factory!");
if (_rxORB.is())
{
try
{
Reference< XInterface > xProvider = _rxORB->createInstance( lcl_getProviderServiceName( ) );
OSL_ENSURE(xProvider.is(), "OConfigurationTreeRoot::createWithServiceFactory: could not instantiate the config provider service!");
Reference< XMultiServiceFactory > xProviderAsFac(xProvider, UNO_QUERY);
OSL_ENSURE(xProviderAsFac.is() || !xProvider.is(), "OConfigurationTreeRoot::createWithServiceFactory: the provider is missing an interface!");
if (xProviderAsFac.is())
return createWithProvider(xProviderAsFac, _rPath, _nDepth, _eMode, _bLazyWrite);
}
catch(Exception&)
{
OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithServiceFactory: error while instantiating the provider service!");
}
}
return OConfigurationTreeRoot();
}
//------------------------------------------------------------------------
OConfigurationTreeRoot OConfigurationTreeRoot::tryCreateWithServiceFactory( const Reference< XMultiServiceFactory >& _rxORB,
const ::rtl::OUString& _rPath, sal_Int32 _nDepth , CREATION_MODE _eMode , sal_Bool _bLazyWrite )
{
OSL_ENSURE( _rxORB.is(), "OConfigurationTreeRoot::tryCreateWithServiceFactory: invalid service factory!" );
if ( _rxORB.is() )
{
try
{
Reference< XMultiServiceFactory > xConfigFactory( _rxORB->createInstance( lcl_getProviderServiceName( ) ), UNO_QUERY );
if ( xConfigFactory.is() )
return createWithProvider( xConfigFactory, _rPath, _nDepth, _eMode, _bLazyWrite );
}
catch(Exception&)
{
// silent this, 'cause the contract of this method states "no assertions"
}
}
return OConfigurationTreeRoot();
}
//........................................................................
} // namespace utl
//........................................................................